X0609 4 2026-10-11 0 0000056978 KULICKE & SOFFA INDUSTRIES INC KLIC 0001536288 WONG NELSON MUNPUN true 23A SERANGOON NORTH AVENUE 5 #01-01 SINGAPORE U0 554369 SINGAPORE 0 1 0 0 Senior Vice President 0 Common Stock 2026-10-11 4 M 0 10986 0 A 82355 D Performance Share Units 2026-10-11 4 M 0 10986 0 D Common Stock 10986 0 D Performance Share Units (PSUs) awarded October 11, 2023, achieved a 148% payout based on total shareholder return (TSR) relative to a peer group. The peer group consisted of the companies of the GICS 45301020 (Semiconductors) not including companies traded on the Pink Sheets LLC Exchange as of the beginning of the Performance Period with the relative TSR measured over a three-year period. The payout was certified, and shares issued on October 11, 2026. Each PSU is convertible to one share of common stock. Zi Yao Lim, Attorney-in-Fact for Wong Nelson MunPun 2026-10-13